DEBIAN-CVE-2026-59638
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-59638
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-59638.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-59638
- Upstream
- Published
- 2026-08-03T01:16:43.543Z
- Modified
- 2026-08-04T08:47:35.530538610Z
- Severity
-
- 9.3 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber CVSS Calculator
- Summary
- [none]
- Details
-
In Bouncy Castle for Java before 1.85, JSSE hostname verifier CN-fallback enabled by default despite documented opt-in. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).
- References
Affected packages
Debian:11 / bouncycastle
Package
- Name
- bouncycastle
- Purl
- pkg:deb/debian/bouncycastle?arch=source&distro=bullseye
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Debian:12 / bouncycastle
Package
- Name
- bouncycastle
- Purl
- pkg:deb/debian/bouncycastle?arch=source&distro=bookworm
Debian:13 / bouncycastle
Package
- Name
- bouncycastle
- Purl
- pkg:deb/debian/bouncycastle?arch=source&distro=trixie
Debian:14 / bouncycastle
Package
- Name
- bouncycastle
- Purl
- pkg:deb/debian/bouncycastle?arch=source&distro=forky